January 2015- Abraxas welcomes Steve Rottmayer, PE, LEED-AP to our team. Mr. Rottmayer has been working in the energy efficiency field for over 15 years and has led energy assessments in over a hundred buildings, including scoping-level walk-through assessments, detailed energy studies and retro-commissioning analyses. Many of his energy-efficiency projects included start-to-finish implementation that culminated with measurement and verification of the achieved energy savings. He has both a bachelors and masters in mechanical engineering. His graduate work was in the Solar Energy Lab at the University of Wisconsin, Madison.